Register block



FIG. 1 is a front view of a register block;

FIG. 2 is a back view of the register block;

FIG. 3 is a first side view of the register block;

FIG. 4 is a second side view of the register block;

FIG. 5 is a top view of the register block;

FIG. 6 is a bottom view of the register block; and,

FIG. 7 is a front perspective view of the register block.

The broken lines illustrate portions of the register block that form nopart of the claimed design; the broken lines form no part of the claimeddesign.

CLAIM The ornamental design for a register block, as shown anddescribed.